document.write( "Question 1186960: 1. A salesperson has 65 percent chance of making a sale to a customer. The behavior of each successive customer is independent. If three customers A, B and C enter together, what is the probability that the salesperson will make a sale to at least one of the customers?
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Algebra.Com's Answer #817923 by ikleyn(52790) $\"\"$ $\"About$

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\n" ); document.write( "A salesperson has 65 percent chance of making a sale to a customer.
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\n" ); document.write( "that the salesperson will make a sale to at least one of the customers?
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document.write( "According to the problem, the probability is 0.65 to sell to a random customer.\r\n" );
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document.write( "It means that  the probability is 0.35 to fail selling to a random customer.\r\n" );
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document.write( "Hence, the probability is   = 0.0429 to fail selling to three random customers.\r\n" );
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document.write( "The probability to make a sale to at least one of the three random customers is, THEREFORE, the complement to it, i.e.\r\n" );
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document.write( "    P = 1 -  = 1 - 0.0429 = 0.9571    (rounded).    ANSWER\r\n" );
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